﻿function GetHTMLContent(url) {
    if (url) {
        return $cmsj.ajax({
            url: url,
            async: false
        }).responseText;
    }
    return null;
}

function LoadHTMLToElement(elementId, url) {
    var element = document.getElementById(elementId);
    var content = GetHTMLContent(url);
    if (content && (content != '') && (content != 'null')) {
        element.value = Base64.encode(content);
        if (window.LoadHTMLToElementCompleted) {
            window.LoadHTMLToElementCompleted();
        }
    }
}

function LoadHTMLToElementAsync(elementId, url) {
    var element = document.getElementById(elementId);
    if (element && url) {
        $cmsj.ajax({
            url: url,
            async: true,
            success: function (data) {
                if (data && (data != '') && (data != 'null')) {
                    element.value = Base64.encode(data.toString());

                }
            },
            complete: function () {
                if (window.LoadHTMLToElementAsyncCompleted) {
                    window.LoadHTMLToElementAsyncCompleted();
                }
            }
        });
    }
}

/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/
var Base64 = {

    // private property
    _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode: function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // private method for UTF-8 encoding
    _utf8_encode: function (string) {
        string = string.replace(/\r\n/g, "\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    }    
}